#include "headers.h"

void showCoords(double size) {
  glPushMatrix();
  glBegin(GL_LINES);

  glColor3f (1.0, 0.0, 0.0);
  glVertex3f(0.0, 0.0, 0.0);
  glVertex3f(size, 0.0, 0.0);

  glColor3f (0.0, 1.0, 0.0);
  glVertex3f(0.0, 0.0, 0.0);
  glVertex3f(0.0, size, 0.0);

  glColor3f (0.0, 0.0, 1.0);
  glVertex3f(0.0, 0.0, 0.0);
  glVertex3f(0.0, 0.0, size);

  glEnd();
  glPopMatrix();
}
